Remove white bg color from active result tab.
Remove white bg color from active result tab.

* The wireframes do not show this.

Refs #1093

kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,project-icp/bee-pollinator-app,project-icp/bee-pollinator-app,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed